... , Automatic Mattress Flanging Machine(SB-70) Product Description:SB-70 Heavy-Duty Flanging Machine is mainly used for flanging mattress panel and ... , Double Straight needle design, 3, With auto oiling system ensuring sufficient lubrication; with cartridge oil filter, easy for ... needle-five-thread synchronous structure and strong cloth-feeding system ensuring feeding precision and perfect seam, 8, The ...